Yealink SIP-T4X, Руководство администратора

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Administrator’s Guide for SIP-T4X IP Phones
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Chapter 3, ― Configuring Basic Features ‖ describes how to configure basic features
on IP phones.

Chapter 4, ― Configuring Advanced Features ‖ describes how to configure
advanced features on IP phones.

Chapter 5, ― Configuring Audio Features ‖ describes how to configure audio features
on IP phones.

Chapter 6, ― Configuring Security Features ‖ describes how to configure security
features on IP phones.

Chapter 7, ― Upgrading Firmware ‖ describes how to upgrade the firmware of IP
phones.

Chapter 8, ― Resource Files ‖ describes the resource files that can be downloaded
by IP phones.

Chapter 9, ― Troubleshooting ‖ describes how to troubleshoot IP phones and
provides some common troubleshooting solutions.
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Chapter 10, ― Appendix ‖ provides the glossary, reference information about IP
phones compliant with RFC 3261, SIP call flows and sample configuration files.
This section describes the changes to this guide for each release and guide version.
This version is updated to incorporate SIP-T48G IP phones as one of the T4X device
models. The following sections are new for this version:

Directory on page 63

Search Source List in Dialing on page 64
Major updates have occurred to the following section:

SIP IP Phone Models on page 3

Connecting the IP Phone on page 9

Reading Icons on page 16

PPPoE on page 24

Wallpaper on page 39
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Phone Lock on page 45

Language on page 52

Logo Customization on page 55
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Distinctive Ring Tones on page 130